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Photochromic pigmenti UV ink agba mgbanwe ntụ ntụ site na ìhè anyanwụ
Photochromic ink bụ ụdị microcapsules. Na ntụ ntụ mbụ etinyere na microcapsules.Powder ihe nwere ike ịgbanwe agba na ìhè anyanwụ. Kinddị ihe a nwere njirimara nke agba dị nhịahụ na ike ihu igwe ogologo oge. Enwere ike ịgbakwunye ya na ngwaahịa kwesịrị ekwesị.
